IP地址和端口的安全策略

组网需求

如​​图1​​所示，某企业部署两台业务服务器，其中Server1通过TCP  8888端口对外提供服务，Server2通过UDP 6666端口对外提供服务。需要通过FW进行访问控制，8：00～17：00的上班时间段内禁止IP地址为10.1.1.2、10.2.1.2的两台PC使用这两台服务器对外提供的服务。其他PC在任何时间都可以使用这两台服务器对外提供的服务。

图1 基于IP地址和端口的安全策略组网图

1. 配置接口IP地址和安全区域，完成网络基本参数配置。
2. 进入防火墙

账户：admin

密码：Aamin@123     y确认，后面是密码，更改密码     

a.配置GigabitEthernet 1/0/0接口IP地址，将接口加入dmz域。

<FW> system-view
[FW] interface GigabitEthernet 0/0/0
[FW-GigabitEthernet1/0/1] ip address 10.2.0.1 24
[FW-GigabitEthernet1/0/1] quit
[FW] firewall zone dmz
[FW-zone-dmz] add interface GigabitEthernet 1/0/1
[FW-zone-dmz] quit

b.配置GigabitEthernet 1/0/0接口IP地址，将接口加入trust域。

[FW] interface GigabitEthernet 1/0/0
[FW-GigabitEthernet1/0/2] ip address 10.1.1.1 24
[FW-GigabitEthernet1/0/2] quit
[FW] firewall zone trust
[FW-zone-trust] add interface GigabitEthernet 1/0/2
[FW-zone-trust] quit

c.配置GigabitEthernet 1/0/1接口IP地址，将接口加入trust域。

[FW] interface GigabitEthernet 1/0/1
[FW-GigabitEthernet1/0/3] ip address 10.2.1.1 24
[FW-GigabitEthernet1/0/3] quit
[FW] firewall zone trust
[FW-zone-trust] add interface GigabitEthernet 1/0/3
[FW-zone-trust] quit

1. 配置名称为server_deny的地址集，将几个不允许访问服务器的IP地址加入地址集。

[FW] ip address-set server_deny type object
[FW-object-address-set-server_deny] address 10.1.1.2 mask 32
[FW-object-address-set-server_deny] address 10.2.1.2 mask 32
[FW-object-address-set-server_deny] quit

2.配置名称为time_deny的时间段，指定PC不允许访问服务器的时间。

[FW] time-range time_deny
[FW-time-range-time_deny] period-range 08:00:00 to 17:00:00 mon tue wed thu fri sat sun
[FW-time-range-time_deny] quit

3.分别为Server1和Server2配置自定义服务集server1_port和server2_port，将服务器的非知名端口加入服务集。

[FW] ip service-set server1_port type object
[FW-object-service-set-server1_port] service protocol TCP source-port 0 to 65535 destination-port 8888
[FW-object-service-set-server1_port] quit
[FW] ip service-set server2_port type object
[FW-object-service-set-server2_port] service protocol UDP source-port 0 to 65535 destination-port 6666
[FW-object-service-set-server2_port] quit

4.限制PC使用Server1对外提供的服务的安全策略

[FW] security-policy
[FW-policy-security] rule name policy_sec_deny1
[FW-policy-security-rule-policy_sec_deny1] source-zone trust
[FW-policy-security-rule-policy_sec_deny1] destination-zone dmz
[FW-policy-security-rule-policy_sec_deny1] source-address address-set server_deny
[FW-policy-security-rule-policy_sec_deny1] destination-address 10.2.0.10 32
[FW-policy-security-rule-policy_sec_deny1] service server1_port
[FW-policy-security-rule-policy_sec_deny1] time-range time_deny
[FW-policy-security-rule-policy_sec_deny1] action deny
[FW-policy-security-rule-policy_sec_deny1] quit

5. 限制PC使用Server2对外提供的服务的安全策略

[FW-policy-security] rule name policy_sec_deny2
[FW-policy-security-rule-policy_sec_deny2] source-zone trust
[FW-policy-security-rule-policy_sec_deny2] destination-zone dmz
[FW-policy-security-rule-policy_sec_deny2] source-address address-set server_deny
[FW-policy-security-rule-policy_sec_deny2] destination-address 10.2.0.11 32
[FW-policy-security-rule-policy_sec_deny2] service server2_port
[FW-policy-security-rule-policy_sec_deny2] time-range time_deny
[FW-policy-security-rule-policy_sec_deny2] action deny
[FW-policy-security-rule-policy_sec_deny2] quit

6. 允许PC使用Server1对外提供的服务的安全策略

[FW-policy-security] rule name policy_sec_permit3
[FW-policy-security-rule-policy_sec_permit3] source-zone trust
[FW-policy-security-rule-policy_sec_permit3] destination-zone dmz
[FW-policy-security-rule-policy_sec_permit3] service server1_port
[FW-policy-security-rule-policy_sec_permit3] action permit
[FW-policy-security-rule-policy_sec_permit3] quit

7.允许PC使用Server2对外提供的服务的安全策略

[FW-policy-security] rule name policy_sec_permit4
[FW-policy-security-rule-policy_sec_permit4] source-zone trust
[FW-policy-security-rule-policy_sec_permit4] destination-zone dmz
[FW-policy-security-rule-policy_sec_permit4] service server2_port
[FW-policy-security-rule-policy_sec_permit4] action permit
[FW-policy-security-rule-policy_sec_permit4] quit
[FW-policy-security] quit